180104749 has 12 divisors (see below), whose sum is σ = 209613852. Its totient is φ = 154098560.

The previous prime is 180104741. The next prime is 180104773. The reversal of 180104749 is 947401081.

It can be written as a sum of positive squares in 2 ways, for example, as 61512649 + 118592100 = 7843^2 + 10890^2 .

It is not a de Polignac number, because 180104749 - 2³ = 180104741 is a prime.

It is a super-2 number, since 2×180104749² = 64875441224706002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180104741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41722 + ... + 45835.

It is an arithmetic number, because the mean of its divisors is an integer number (17467821).

Almost surely, 2^180104749 is an apocalyptic number.

It is an amenable number.

180104749 is a deficient number, since it is larger than the sum of its proper divisors (29509103).

180104749 is a wasteful number, since it uses less digits than its factorization.

180104749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87596 (or 87585 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 180104749 is about 13420.3110619687. The cubic root of 180104749 is about 564.7311211821.

The spelling of 180104749 in words is "one hundred eighty million, one hundred four thousand, seven hundred forty-nine".